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mlxsw: spectrum_router: Flood unregistered multicast packets to router 

Up until now we only flooded broadcast packets to the router when an L3
interface was configured on top of a bridge. However, IPv6 Neighbour
Discovery packets are trapped to the CPU inside the router and these can
be sent with a multicast address.

Flood unregistered multicast packets to the router port, so that
relevant packets could be trapped there.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ido Schimmel 2017-07-18 10:10:12 +02:00 committed by David S. Miller
parent 8d54814e52
commit 0d284818af
1 changed files with 20 additions and 0 deletions
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20
drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
View File

@ -3558,6 +3558,11 @@ static int mlxsw_sp_rif_vlan_configure(struct mlxsw_sp_rif *rif)
if (err)
return err;
err = mlxsw_sp_fid_flood_set(rif->fid, MLXSW_SP_FLOOD_TYPE_MC,
mlxsw_sp_router_port(mlxsw_sp), true);
if (err)
goto err_fid_mc_flood_set;
err = mlxsw_sp_fid_flood_set(rif->fid, MLXSW_SP_FLOOD_TYPE_BC,
mlxsw_sp_router_port(mlxsw_sp), true);
if (err)
@ -3566,6 +3571,9 @@ static int mlxsw_sp_rif_vlan_configure(struct mlxsw_sp_rif *rif)
return 0;
err_fid_bc_flood_set:
mlxsw_sp_fid_flood_set(rif->fid, MLXSW_SP_FLOOD_TYPE_MC,
mlxsw_sp_router_port(mlxsw_sp), false);
err_fid_mc_flood_set:
mlxsw_sp_rif_vlan_fid_op(rif, MLXSW_REG_RITR_VLAN_IF, vid, false);
return err;
}
@ -3577,6 +3585,8 @@ static void mlxsw_sp_rif_vlan_deconfigure(struct mlxsw_sp_rif *rif)
mlxsw_sp_fid_flood_set(rif->fid, MLXSW_SP_FLOOD_TYPE_BC,
mlxsw_sp_router_port(mlxsw_sp), false);
mlxsw_sp_fid_flood_set(rif->fid, MLXSW_SP_FLOOD_TYPE_MC,
mlxsw_sp_router_port(mlxsw_sp), false);
mlxsw_sp_rif_vlan_fid_op(rif, MLXSW_REG_RITR_VLAN_IF, vid, false);
}
@ -3607,6 +3617,11 @@ static int mlxsw_sp_rif_fid_configure(struct mlxsw_sp_rif *rif)
if (err)
return err;
err = mlxsw_sp_fid_flood_set(rif->fid, MLXSW_SP_FLOOD_TYPE_MC,
mlxsw_sp_router_port(mlxsw_sp), true);
if (err)
goto err_fid_mc_flood_set;
err = mlxsw_sp_fid_flood_set(rif->fid, MLXSW_SP_FLOOD_TYPE_BC,
mlxsw_sp_router_port(mlxsw_sp), true);
if (err)
@ -3615,6 +3630,9 @@ static int mlxsw_sp_rif_fid_configure(struct mlxsw_sp_rif *rif)
return 0;
err_fid_bc_flood_set:
mlxsw_sp_fid_flood_set(rif->fid, MLXSW_SP_FLOOD_TYPE_MC,
mlxsw_sp_router_port(mlxsw_sp), false);
err_fid_mc_flood_set:
mlxsw_sp_rif_vlan_fid_op(rif, MLXSW_REG_RITR_FID_IF, fid_index, false);
return err;
}
@ -3626,6 +3644,8 @@ static void mlxsw_sp_rif_fid_deconfigure(struct mlxsw_sp_rif *rif)
mlxsw_sp_fid_flood_set(rif->fid, MLXSW_SP_FLOOD_TYPE_BC,
mlxsw_sp_router_port(mlxsw_sp), false);
mlxsw_sp_fid_flood_set(rif->fid, MLXSW_SP_FLOOD_TYPE_MC,
mlxsw_sp_router_port(mlxsw_sp), false);
mlxsw_sp_rif_vlan_fid_op(rif, MLXSW_REG_RITR_FID_IF, fid_index, false);
}